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63978-BX — 63978-BX

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

63978-BX: 63978-BX.

The 63978-BX is a the manufacturer industrial component. Key specifications include material: STEEL, construction: ONE-PIECE, outside_diameter: 10.120 INCHES NOMINAL IN, special_features: 8 HOLES 0.660 IN. NOM DIA UNEQUALLY SPACED ON 8.440 IN.

NOM BOLT CIRCLE DIA. IN, style_designator: CIRCULAR, aperture_diameter: 7.180 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-054-2946, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
63978-BX
NSN: 5365-01-054-2946
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL
constructionONE-PIECE
outside_diameter10.120 INCHES NOMINAL IN
special_features8 HOLES 0.660 IN. NOM DIA UNEQUALLY SPACED ON 8.440 IN. NOM BOLT CIRCLE DIA. IN
style_designatorCIRCULAR
aperture_diameter7.180 INCHES NOMINAL IN
NSN5365-01-054-2946
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 63978-BX TITLE COMPONENT PN 63978-BX MFR 63978-BX
KEY FEATURES
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 10.120 INCHES NOMINAL IN
•
APERTURE DIAMETER: 7.180 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER10.120 INCHES NOMINAL IN
APERTURE DIAMETER7.180 INCHES NOMINAL IN
SPECIAL FEATURES8 HOLES 0.660 IN. NOM DIA UNEQUALLY SPACED ON 8.440 IN. NOM BOLT CIRCLE DIA. IN
MATERIALSTEEL
CONSTRUCTIONONE-PIECE
OTHER ITEMS IN FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078 5365-00-000-7436 5365-00-001-1292 5365-00-001-1365 5365-00-001-1841 5365-00-001-1915 5365-00-001-1916 5365-00-001-1940
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 63978-BX?
63978-BX is a 63978-BX.
What is the NSN for 63978-BX?
63978-BX is cataloged in the U.S. Government catalog under NSN 5365-01-054-2946. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.